<template>
  <div class="app-container">
    <el-row :gutter="0">
      <el-col :xs="24" :sm="6" :md="5" :lg="4" class="drag-area" id="drag-area">
        <div style="text-align: center; color: #0fa8e7">数据选择</div>
        <el-input
          style="width: 80%"
          prefix-icon="el-icon-search"
          placeholder="输入关键字"
          v-model="filterText"
        >
        </el-input>

        <el-tree
          :data="data"
          :props="defaultProps"
          @node-click="handleNodeClick"
          class="filter-tree"
          :filter-node-method="filterNode"
          ref="tree"
        ></el-tree>
        <!--      侧边栏拖拽框 -->
        <div class="drag-tip" id="drag-tip"></div>
      </el-col>

      <el-col :xs="24" :sm="18" :md="18.7" :lg="20" id="drag-content">
        <el-form
          :model="queryParams"
          ref="queryForm"
          :inline="true"
          v-show="showSearch"
          label-width="68px"
        >
          <!-- <el-form-item label="学年名称" prop="schoolYear">
        <el-select
          v-model="queryParams.schoolYear"
          placeholder="请选择学年"
          clearable
          size="small"
          style="width: 240px"
          @change="searchTermByYear()"
        >
          <el-option
            v-for="item in yearOptions"
            :key="item.index"
            :label="item.name"
            :value="item.id"
          />
        </el-select>
      </el-form-item>

      <el-form-item label="学期名称" prop="termId">
        <el-select
          v-model="queryParams.termId"
          placeholder="请选择学期"
          clearable
          size="small"
          style="width: 240px"
          @change="searchCollegeByTerm()"
        >
          <el-option
            v-for="item in termNameOptions"
            :key="item.index"
            :label="item.termName"
            :value="item.id"
          />
        </el-select>
      </el-form-item> -->
          <!-- <el-form-item label="学院名称" prop="collegeId">
        <el-select
          v-model="queryParams.collegeId"
          placeholder="请选择学院"
          clearable
          size="small"
          style="width: 240px"
        >
          <el-option
            v-for="item in collegeOptions"
            :key="item.index"
            :label="item.name"
            :value="item.id"
          />
        </el-select>
      </el-form-item> -->
          <!--
      <el-form-item label="专业名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入专业名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="专业编码" prop="code">
        <el-input
          v-model="queryParams.code"
          placeholder="请输入专业编码"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item> -->
          <!--
      <el-form-item label="专业描述" prop="massage">
        <el-input
          v-model="queryParams.massage"
          type="textarea"
          placeholder="请输入专业描述"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item> -->
          <!-- <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
          >重置</el-button
        >
      </el-form-item> -->
        </el-form>

        <el-row :gutter="10" class="mb8">
          <el-col :span="1.5">
            <el-button
              type="primary"
              plain
              icon="el-icon-plus"
              size="mini"
              @click="handleAdd"
              v-hasPermi="['org:major:add']"
              >新增</el-button
            >
          </el-col>
          <el-col :span="1.5">
            <el-button
              type="success"
              plain
              icon="el-icon-edit"
              size="mini"
              :disabled="single"
              @click="handleUpdate"
              v-hasPermi="['org:major:edit']"
              >修改</el-button
            >
          </el-col>
          <el-col :span="1.5">
            <el-button
              type="danger"
              plain
              icon="el-icon-delete"
              size="mini"
              :disabled="multiple"
              @click="handleDelete"
              v-hasPermi="['org:major:remove']"
              >删除</el-button
            >
          </el-col>
          <el-col :span="1.5">
            <el-button
              type="warning"
              plain
              icon="el-icon-download"
              size="mini"
              :loading="exportLoading"
              @click="handleExport"
              v-hasPermi="['org:major:export']"
              >导出</el-button
            >
          </el-col>
          <el-col :span="1.5">
            <el-button
              type="info"
              plain
              icon="el-icon-upload2"
              size="mini"
              @click="handleImport"
              >导入</el-button
            >
          </el-col>
          <right-toolbar
            :showSearch.sync="showSearch"
            @queryTable="getList"
          ></right-toolbar>
        </el-row>

        <el-table
          v-loading="loading"
          :data="majorList"
          @row-click="gonext"
          @selection-change="handleSelectionChange"
        >
          <el-table-column type="selection" width="55" align="center" />
          <!--      <el-table-column label="专业描述" align="center" prop="id" />-->
          <!-- <el-table-column label="学年" align="center" prop="schoolYear" />
      <el-table-column label="学期名称" align="center" prop="termName" /> -->
          <!-- <el-table-column label="学院名称" align="center" prop="collegeId" :formatter="collegeFilter"/> -->
          <el-table-column label="专业名称" align="center" prop="name" />
          <el-table-column label="专业编码" align="center" prop="code" />
          <el-table-column label="专业描述" align="center" prop="massage" />
          <el-table-column
            label="操作"
            align="center"
            class-name="small-padding fixed-width"
          >
            <template slot-scope="scope">
              <el-button
                size="mini"
                type="text"
                icon="el-icon-edit"
                @click="handleUpdate(scope.row)"
                v-hasPermi="['org:major:edit']"
                >修改</el-button
              >
              <el-button
                size="mini"
                type="text"
                icon="el-icon-delete"
                @click="handleDelete(scope.row)"
                v-hasPermi="['org:major:remove']"
                >删除</el-button
              >
            </template>
          </el-table-column>
        </el-table>

        <pagination
          v-show="total > 0"
          :total="total"
          :page.sync="queryParams.pageNum"
          :limit.sync="queryParams.pageSize"
          @pagination="getList"
        />
      </el-col>
    </el-row>

    <!-- 添加或修改专业管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <!-- <el-form-item label="学年名称" prop="schoolYear">
          <el-select
            v-model="form.schoolYear"
            placeholder="请选择学年"
            clearable
            size="small"
            style="width: 240px"
            @change="addTermByYear()"
          >
            <el-option
              v-for="item in yearOptions"
              :key="item.index"
              :label="item.name"
              :value="item.id"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="学期名称" prop="termId">
          <el-select
            v-model="form.termId"
            placeholder="请选择学期"
            clearable
            size="small"
            style="width: 240px"
            @change="addCollegeByTerm()"
          >
            <el-option
              v-for="item in termNameOptions"
              :key="item.index"
              :label="item.termName"
              :value="item.id"
            />
          </el-select>
        </el-form-item> -->
        <el-form-item label="学院名称" prop="collegeId">
          <el-select
            v-model="form.collegeId"
            placeholder="请选择学院"
            clearable
            size="small"
            class="width100"
          >
            <el-option
              v-for="item in collegeOptions"
              :key="item.index"
              :label="item.name"
              :value="item.id"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="专业名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入专业名称" />
        </el-form-item>
        <el-form-item label="专业编码" prop="code">
          <el-input v-model="form.code" placeholder="请输入专业编码" />
        </el-form-item>
        <el-form-item label="专业描述" prop="massage">
          <el-input
            v-model="form.massage"
            type="textarea"
            placeholder="请输入专业描述"
          />
        </el-form-item>
      </el-form>
      <div slot="footer" class="">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <!-- 用户导入对话框 -->
    <el-dialog
      :title="upload.title"
      :visible.sync="upload.open"
      width="400px"
      append-to-body
    >
      <mytree row="4" v-if="upload.open" @ok="ok"></mytree>
      <div style="height: 20px"></div>
      <el-upload
        ref="upload"
        :limit="1"
        accept=".xlsx, .xls"
        :headers="upload.headers"
        :action="upload.url + '?updateSupport=' + upload.updateSupport"
        :disabled="upload.isUploading"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
        :auto-upload="false"
        :data="{ pid: upload.pid }"
        drag
      >
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
        <div class="el-upload__tip text-center" slot="tip">
          <div class="el-upload__tip" slot="tip">
            <el-checkbox v-model="upload.updateSupport" />
            是否更新已经存在的用户数据
          </div>
          <span>仅允许导入xls、xlsx格式文件。</span>
          <el-link
            type="primary"
            :underline="false"
            style="font-size: 12px; vertical-align: baseline"
            @click="importTemplate"
            >下载模板</el-link
          >
        </div>
      </el-upload>
      <div slot="footer" class="">
        <el-button type="primary" @click="submitFileForm">确 定</el-button>
        <el-button @click="upload.open = false">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import mytree from "../mytree.vue";
import { getToken } from "@/utils/auth";
import {
  listMajor,
  majorlistCollege,
  getMajor,
  delMajor,
  addMajor,
  updateMajor,
  exportMajor,
} from "@/api/org/major";
import { listCollege } from "@/api/org/college";
// import { listTerm } from "@/api/org/term";

// import { listSchoolyear } from "@/api/org/schoolyear";
import { validateCode } from "@/utils/formCheck";
export default {
  name: "Major",
  components: { mytree },
  data() {
    return {
      // data: [
      //   {
      //     label: "广州大学",
      //     children: [
      //       {
      //         label: "2017学年",
      //         children: [
      //           {
      //             label: "信息工程学院",
      //             children: [
      //               {
      //                 label: "计算机科学与技术",
      //               },
      //               {
      //                 label: "软件工程",
      //               },
      //               {
      //                 label: "网络工程",
      //               },
      //             ],
      //           },
      //           {
      //             label: "数学学院",
      //             children: [
      //               {
      //                 label: "数学与应用数学",
      //               },
      //               {
      //                 label: "信息与计算科学",
      //               },
      //               {
      //                 label: "数理基础科学",
      //               },
      //             ],
      //           },
      //         ],
      //       },
      //       {
      //         label: "2018学年",
      //         children: [
      //           {
      //             label: "信息工程学院",
      //             children: [
      //               {
      //                 label: "计算机科学与技术",
      //               },
      //               {
      //                 label: "软件工程",
      //               },
      //               {
      //                 label: "网络工程",
      //               },
      //             ],
      //           },
      //           {
      //             label: "数学学院",
      //             children: [
      //               {
      //                 label: "数学与应用数学",
      //               },
      //               {
      //                 label: "信息与计算科学",
      //               },
      //               {
      //                 label: "数理基础科学",
      //               },
      //             ],
      //           },
      //         ],
      //       },
      //     ],
      //   },
      //   {
      //     label: "中山大学",
      //     children: [
      //       {
      //         label: "2017学年",
      //         children: [
      //           {
      //             label: "信息工程学院",
      //             children: [
      //               {
      //                 label: "计算机科学与技术",
      //               },
      //               {
      //                 label: "软件工程",
      //               },
      //               {
      //                 label: "网络工程",
      //               },
      //             ],
      //           },
      //           {
      //             label: "数学学院",
      //             children: [
      //               {
      //                 label: "数学与应用数学",
      //               },
      //               {
      //                 label: "信息与计算科学",
      //               },
      //               {
      //                 label: "数理基础科学",
      //               },
      //             ],
      //           },
      //         ],
      //       },
      //       {
      //         label: "2018学年",
      //         children: [
      //           {
      //             label: "信息工程学院",
      //             children: [
      //               {
      //                 label: "计算机科学与技术",
      //               },
      //               {
      //                 label: "软件工程",
      //               },
      //               {
      //                 label: "网络工程",
      //               },
      //             ],
      //           },
      //           {
      //             label: "数学学院",
      //             children: [
      //               {
      //                 label: "数学与应用数学",
      //               },
      //               {
      //                 label: "信息与计算科学",
      //               },
      //               {
      //                 label: "数理基础科学",
      //               },
      //             ],
      //           },
      //         ],
      //       },
      //     ],
      //   },
      // ],
      // defaultProps: {
      //   children: "children",
      //   label: "label",
      // },
      //学年信息
      // yearOptions: [],
      // 学期
      // termNameOptions: [
      //   {
      //     termId: "",
      //     termName: "",
      //   },
      // ],

      data: [
        {
          label: "信息工程学院",
          children: [
            {
              label: "计算机科学与技术",
            },
            {
              label: "软件工程",
            },
            {
              label: "网络工程",
            },
          ],
        },
        {
          label: "数学学院",
          children: [
            {
              label: "计算应用",
            },
            {
              label: "数学教育",
            },
            {
              label: "数理基础科学",
            },
          ],
        },
      ],
      filterText: "",
      defaultProps: {
        children: "children",
        label: "label",
      },
      // 学年信息
      yearOptions: [],
      // 学期
      termNameOptions: [
        {
          termId: "",
          termName: "",
        },
      ],
      //学院信息
      collegeOptions: [
        {
          id: "",
          name: "",
        },
      ],
      // 遮罩层
      loading: true,
      // 导出遮罩层
      exportLoading: false,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 专业管理表格数据
      majorList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        code: null,
        massage: null,
        collegeId: "",

        // schoolYear: "",
      },
      //临时保存传递参数
      templedata: {},
      //用户下载的东西
      downmsg: "",
      // 用户导入参数
      upload: {
        // 是否显示弹出层（用户导入）
        open: false,
        // 弹出层标题（用户导入）
        title: "",
        pid: "",
        // 是否禁用上传
        isUploading: false,
        // 是否更新已经存在的用户数据
        updateSupport: 0,
        // 设置上传的请求头部
        headers: { Authorization: "Bearer " + getToken() },
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/org/major/importData",
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        code: [{ validator: validateCode, trigger: "blur" }],
        name: [{ required: true, message: "请输入专业名称", trigger: "blur" }],
        collegeId: [{ required: true, message: "请选择学院", trigger: "blur" }],
      },
    };
  },
  created() {
    this.getList();
    // this.getListYear();
    // this.getYearList();
    this.getCollegeList();
  },
  activated() {
    // if (this.$route.query.year) {
    //   this.loading = true;
    //   this.queryParams.schoolYear = this.$route.query.year;
    //   this.handleYear();
    //   this.queryParams.collegeId = JSON.parse(this.$route.query.college).id;
    //   this.templedata = {
    //     schoolYear: this.$route.query.year,
    //     collegeId: JSON.parse(this.$route.query.college).id,
    //   };
    //   this.getList();
    //   this.loading = true;
    // }
  },
  methods: {
    filterNode(value, data) {
      if (!value) return true;
      return data.label.indexOf(value) !== -1;
    },
    handleNodeClick(data) {
      console.log(data);
    },
    //子组件回调方法，赋值
    ok(message) {
      switch (message.num) {
        case "1":
          this.upload.pid = "";
          //这里是值对应的处理
          break;
        case "2":
          this.upload.pid = "";
          //这里是值对应的处理
          break;
        case "3":
          this.upload.pid = "";
          //这里是值对应的处理
          break;
        case "4":
          this.upload.pid = message.collegeId;
          //这里是值对应的处理
          break;
        case "5":
          this.upload.pid = "";
          //这里是值对应的处理
          break;

        default:
          //这里是没有找到对应的值处理
          break;
      }
    },
    /** 点击跳转下一个页面 */
    gonext(row, column, event) {
      if (column.label == "操作") {
        return;
      }
      const majorrow = JSON.stringify(row);
      this.$router.push({
        path:
          "classes?year=" +
          this.templedata.schoolYear +
          "&college=" +
          this.templedata.collegeId +
          "&major=" +
          majorrow,
      });
    },
    // // 搜索时学年改变学院跟着改变
    // handleYear() {
    //   console.log("sssssssssssssss");
    //   this.queryParams.collegeId = "";
    //   const data = {
    //     schoolYear: this.queryParams.schoolYear,
    //   };
    //   majorlistCollege(data).then((response) => {
    //     this.statusOptions2 = response;
    //   });
    // },
    // // 新增时学年改变学院跟着改变
    // chsngrhandleYear() {
    //   const data = {
    //     schoolYear: this.form.schoolYear,
    //   };
    //   this.form.collegeId = "";
    //   majorlistCollege(data).then((response) => {
    //     this.statusOptions2 = response;
    //   });
    // },

    // //学年
    // getYearList() {
    //   listSchoolyear().then((res) => {
    //     this.yearOptions = res.rows;
    //   });
    // },

    // // 搜索栏通过学年获取学期
    // searchTermByYear() {
    //   this.queryParams.termId = "";
    //   this.queryParams.collegeId = "";
    //   console.log(this.queryParams.schoolYear);
    //   listTerm({ schoolYearId: this.queryParams.schoolYear }).then((res) => {
    //     this.termNameOptions = res.rows;
    //   });
    // },
    //
    // // 搜索栏 通过学期搜索学院
    // searchCollegeByTerm() {
    //   this.queryParams.collegeId = "";
    //   listCollege({
    //     termId: this.queryParams.termId,
    //   }).then((res) => {
    //     this.collegeOptions = res.rows;
    //   });
    // },

    // 根据ID，显示name  学院信息
    collegeFilter(row, column) {
      const id = row.collegeId;
      const arr = this.collegeOptions.filter((elem, index) => {
        return elem.id === id;
      });

      return arr[0] && arr[0].name;
    },

    getCollegeList() {
      listCollege().then((res) => {
        this.collegeOptions = res.rows;
      });
    },

    // // 添加或者修改框
    // addTermByYear() {
    //   this.form.termId = "";
    //   this.form.collegeId = "";
    //   console.log(this.form.schoolYear);
    //   listTerm({ schoolYearId: this.form.schoolYear }).then((res) => {
    //     this.termNameOptions = res.rows;
    //   });
    // },

    // // 搜索栏 通过学期搜索学院
    // addCollegeByTerm() {
    //   this.form.collegeId = "";
    //   listCollege({
    //     termId: this.form.termId,
    //   }).then((res) => {
    //     this.collegeOptions = res.rows;
    //   });
    // },
    /** 查询专业管理列表 */
    getList() {
      this.loading = true;
      listMajor(this.queryParams).then((response) => {
        this.majorList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        collegeId: null,
        name: null,
        code: null,
        massage: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.templedata = {
        schoolYear: this.queryParams.schoolYear,
        collegeId: this.queryParams.college,
      };
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.id);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加专业管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids;
      getMajor(id).then((response) => {
        console.log("res", response.data);
        this.form = response.data;
        this.open = true;
        this.title = "修改专业管理";
        // 尝试一下
        // this.termNameOptions[0].termName = response.data.termName;
        // this.termNameOptions[0].id = response.data.termId;
        // this.collegeOptions[0].name = response.data.collegeName;
        // this.collegeOptions[0].id = response.data.collegeId;
        // this.yearOptions[0] = response.data;
      });
      // console.log("collegeOptions", this.termNameOptions);
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.id != null) {
            updateMajor(this.form).then((response) => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            if (this.form.collegeId) {
              console.log(this.form);
              addMajor(this.form).then((response) => {
                this.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              });
            } else {
              this.$message.error("请选择学院");
            }
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm(
        '是否确认删除专业管理编号为"' + ids + '"的数据项?',
        "警告",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      )
        .then(function () {
          return delMajor(ids);
        })
        .then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
    /** 导入按钮操作 */
    handleImport() {
      this.upload.title = "用户导入";
      this.upload.open = true;
    },
    /** 下载模板操作 */
    importTemplate() {
      // importTemplate().then(response => {
      // this.download(response.msg);
      this.download(this.downmsg);
      // });
    },
    // 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.upload.isUploading = true;
    },
    // 文件上传成功处理
    handleFileSuccess(response, file, fileList) {
      // this.upload.open = false;
      this.upload.isUploading = false;
      this.$refs.upload.clearFiles();
      this.$alert(response.msg, "导入结果", { dangerouslyUseHTMLString: true });
      this.upload.open = false;
      this.getList();
    },
    // 提交上传文件
    submitFileForm() {
      if (this.upload.pid == "") {
        return this.$message({
          message: "请选择上传信息",
          type: "error",
        });
      } else {
        this.$refs.upload.submit();
      }
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm("是否确认导出所有专业管理数据项?", "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(() => {
          this.exportLoading = true;
          return exportMajor(queryParams);
        })
        .then((response) => {
          this.download(response.msg);
          this.exportLoading = false;
        })
        .catch(() => {});
    },
  },
};
</script>
